MailTo linkmailto is a Uniform Resource Identifier (URI) scheme for email addresses. It is used to produce hyperlinks on websites that allow users to send an email to a specific address without first having to copy it and enter it into an email client.

PHPPHP is a server-side scripting language designed primarily for web development but also used as a general-purpose programming language.

Font AwesomeFont Awesome is a font and icon toolkit based on CSS and LESS. It was made by Dave Gandy for use with Twitter Bootstrap, and later was incorporated into the BootstrapCDN.